Sherif A. Nasef, MD

Medicare activity in 2024

Official CMS public-use data for Sherif A. Nasef, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Most frequent services

1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)589 services
2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)352 services
3. Aspiration and/or injection of fluid large joint using ultrasound guidance (20611)212 services
4. Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more (99212)130 services
5. Aspiration and/or injection of fluid from small joint (20600)93 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol75%
• Arthritis75%
• Osteoporosis51%
• Chronic kidney disease35%
• Diabetes31%

Hospitals where Sherif A. Nasef works

Medicare's Facility Affiliation Data lists Sherif A. Nasef at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• Yuma Regional Medical CenterYuma, AZ · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 030013

Practice locations

Addresses where Sherif A. Nasef is enrolled with Medicare (CMS data updated October 2, 2026).

• 2400 S Ave AYuma, AZ 85364 (928) 344‑2000

Group practices

Medicare enrollment lists Sherif A. Nasef as a member of this group (CMS data updated October 2, 2026).

• Yuma Regional Medical Center361 clinicians in the group

Specialties

• Rheumatologyprimary

Find other Rheumatology doctors in Arizona →

Other rheumatologists in Arizona

Clinicians with the same Medicare primary specialty in Arizona — not a recommendation.

• Madhu Arora, MD
• Aleix M. Bazzi, MD
• Trent H. Smith, MD
• Rajat K. Dhar, MD
• Daniel E. Kreutz, MD
• Michael Pham, MD
• Andrew M. Sharobeem, DO
• Kenneth G. Lawlor, DO

All rheumatologists in Arizona →

Other clinicians in Yuma Regional Medical Center

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Reina C. Ayala, MD
• Kushmit Grewal, MD
• Tomasz Fudalewski, MD
• Veneda T. Polite, CNA
• Mahathi Kunduru, MD
• Rajesh S. Khona, MD

Clinician information

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians